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-rw-r--r--include/sysemu/sysemu.h2
-rw-r--r--softmmu/meson.build1
-rw-r--r--softmmu/rtc.c190
-rw-r--r--softmmu/vl.c156
4 files changed, 193 insertions, 156 deletions
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 1b62deaf2b..18cf586cd0 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -22,6 +22,8 @@ void qemu_run_machine_init_done_notifiers(void);
void qemu_add_machine_init_done_notifier(Notifier *notify);
void qemu_remove_machine_init_done_notifier(Notifier *notify);
+void configure_rtc(QemuOpts *opts);
+
extern int autostart;
typedef enum {
diff --git a/softmmu/meson.build b/softmmu/meson.build
index 7b52339e7a..d098d89653 100644
--- a/softmmu/meson.build
+++ b/softmmu/meson.build
@@ -6,6 +6,7 @@ specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: [files(
'datadir.c',
'physmem.c',
'ioport.c',
+ 'rtc.c',
'memory.c',
'memory_mapping.c',
'qtest.c',
diff --git a/softmmu/rtc.c b/softmmu/rtc.c
new file mode 100644
index 0000000000..e1e15ef613
--- /dev/null
+++ b/softmmu/rtc.c
@@ -0,0 +1,190 @@
+/*
+ * RTC configuration and clock read
+ *
+ * Copyright (c) 2003-2020 QEMU contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/cutils.h"
+#include "qapi/error.h"
+#include "qapi/qmp/qerror.h"
+#include "qemu/error-report.h"
+#include "qemu/option.h"
+#include "qemu/timer.h"
+#include "qom/object.h"
+#include "sysemu/replay.h"
+#include "sysemu/sysemu.h"
+
+static enum {
+ RTC_BASE_UTC,
+ RTC_BASE_LOCALTIME,
+ RTC_BASE_DATETIME,
+} rtc_base_type = RTC_BASE_UTC;
+static time_t rtc_ref_start_datetime;
+static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
+static int rtc_host_datetime_offset = -1; /* valid & used only with
+ RTC_BASE_DATETIME */
+QEMUClockType rtc_clock;
+/***********************************************************/
+/* RTC reference time/date access */
+static time_t qemu_ref_timedate(QEMUClockType clock)
+{
+ time_t value = qemu_clock_get_ms(clock) / 1000;
+ switch (clock) {
+ case QEMU_CLOCK_REALTIME:
+ value -= rtc_realtime_clock_offset;
+ /* fall through */
+ case QEMU_CLOCK_VIRTUAL:
+ value += rtc_ref_start_datetime;
+ break;
+ case QEMU_CLOCK_HOST:
+ if (rtc_base_type == RTC_BASE_DATETIME) {
+ value -= rtc_host_datetime_offset;
+ }
+ break;
+ default:
+ assert(0);
+ }
+ return value;
+}
+
+void qemu_get_timedate(struct tm *tm, int offset)
+{
+ time_t ti = qemu_ref_timedate(rtc_clock);
+
+ ti += offset;
+
+ switch (rtc_base_type) {
+ case RTC_BASE_DATETIME:
+ case RTC_BASE_UTC:
+ gmtime_r(&ti, tm);
+ break;
+ case RTC_BASE_LOCALTIME:
+ localtime_r(&ti, tm);
+ break;
+ }
+}
+
+int qemu_timedate_diff(struct tm *tm)
+{
+ time_t seconds;
+
+ switch (rtc_base_type) {
+ case RTC_BASE_DATETIME:
+ case RTC_BASE_UTC:
+ seconds = mktimegm(tm);
+ break;
+ case RTC_BASE_LOCALTIME:
+ {
+ struct tm tmp = *tm;
+ tmp.tm_isdst = -1; /* use timezone to figure it out */
+ seconds = mktime(&tmp);
+ break;
+ }
+ default:
+ abort();
+ }
+
+ return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
+}
+
+static void configure_rtc_base_datetime(const char *startdate)
+{
+ time_t rtc_start_datetime;
+ struct tm tm;
+
+ if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
+ &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
+ /* OK */
+ } else if (sscanf(startdate, "%d-%d-%d",
+ &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
+ tm.tm_hour = 0;
+ tm.tm_min = 0;
+ tm.tm_sec = 0;
+ } else {
+ goto date_fail;
+ }
+ tm.tm_year -= 1900;
+ tm.tm_mon--;
+ rtc_start_datetime = mktimegm(&tm);
+ if (rtc_start_datetime == -1) {
+ date_fail:
+ error_report("invalid datetime format");
+ error_printf("valid formats: "
+ "'2006-06-17T16:01:21' or '2006-06-17'\n");
+ exit(1);
+ }
+ rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
+ rtc_ref_start_datetime = rtc_start_datetime;
+}
+
+void configure_rtc(QemuOpts *opts)
+{
+ const char *value;
+
+ /* Set defaults */
+ rtc_clock = QEMU_CLOCK_HOST;
+ rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
+ rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
+
+ value = qemu_opt_get(opts, "base");
+ if (value) {
+ if (!strcmp(value, "utc")) {
+ rtc_base_type = RTC_BASE_UTC;
+ } else if (!strcmp(value, "localtime")) {
+ Error *blocker = NULL;
+ rtc_base_type = RTC_BASE_LOCALTIME;
+ error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
+ "-rtc base=localtime");
+ replay_add_blocker(blocker);
+ } else {
+ rtc_base_type = RTC_BASE_DATETIME;
+ configure_rtc_base_datetime(value);
+ }
+ }
+ value = qemu_opt_get(opts, "clock");
+ if (value) {
+ if (!strcmp(value, "host")) {
+ rtc_clock = QEMU_CLOCK_HOST;
+ } else if (!strcmp(value, "rt")) {
+ rtc_clock = QEMU_CLOCK_REALTIME;
+ } else if (!strcmp(value, "vm")) {
+ rtc_clock = QEMU_CLOCK_VIRTUAL;
+ } else {
+ error_report("invalid option value '%s'", value);
+ exit(1);
+ }
+ }
+ value = qemu_opt_get(opts, "driftfix");
+ if (value) {
+ if (!strcmp(value, "slew")) {
+ object_register_sugar_prop("mc146818rtc",
+ "lost_tick_policy",
+ "slew");
+ } else if (!strcmp(value, "none")) {
+ /* discard is default */
+ } else {
+ error_report("invalid option value '%s'", value);
+ exit(1);
+ }
+ }
+}
diff --git a/softmmu/vl.c b/softmmu/vl.c
index 852ecf08e1..4c95537af3 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -152,16 +152,6 @@ bool enable_cpu_pm = false;
int nb_nics;
NICInfo nd_table[MAX_NICS];
int autostart = 1;
-static enum {
- RTC_BASE_UTC,
- RTC_BASE_LOCALTIME,
- RTC_BASE_DATETIME,
-} rtc_base_type = RTC_BASE_UTC;
-static time_t rtc_ref_start_datetime;
-static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
-static int rtc_host_datetime_offset = -1; /* valid & used only with
- RTC_BASE_DATETIME */
-QEMUClockType rtc_clock;
int vga_interface_type = VGA_NONE;
static const char *vga_model = NULL;
static DisplayOptions dpy;
@@ -772,152 +762,6 @@ void qemu_system_vmstop_request(RunState state)
qemu_mutex_unlock(&vmstop_lock);
qemu_notify_event();
}
-
-/***********************************************************/
-/* RTC reference time/date access */
-static time_t qemu_ref_timedate(QEMUClockType clock)
-{
- time_t value = qemu_clock_get_ms(clock) / 1000;
- switch (clock) {
- case QEMU_CLOCK_REALTIME:
- value -= rtc_realtime_clock_offset;
- /* fall through */
- case QEMU_CLOCK_VIRTUAL:
- value += rtc_ref_start_datetime;
- break;
- case QEMU_CLOCK_HOST:
- if (rtc_base_type == RTC_BASE_DATETIME) {
- value -= rtc_host_datetime_offset;
- }
- break;
- default:
- assert(0);
- }
- return value;
-}
-
-void qemu_get_timedate(struct tm *tm, int offset)
-{
- time_t ti = qemu_ref_timedate(rtc_clock);
-
- ti += offset;
-
- switch (rtc_base_type) {
- case RTC_BASE_DATETIME:
- case RTC_BASE_UTC:
- gmtime_r(&ti, tm);
- break;
- case RTC_BASE_LOCALTIME:
- localtime_r(&ti, tm);
- break;
- }
-}
-
-int qemu_timedate_diff(struct tm *tm)
-{
- time_t seconds;
-
- switch (rtc_base_type) {
- case RTC_BASE_DATETIME:
- case RTC_BASE_UTC:
- seconds = mktimegm(tm);
- break;
- case RTC_BASE_LOCALTIME:
- {
- struct tm tmp = *tm;
- tmp.tm_isdst = -1; /* use timezone to figure it out */
- seconds = mktime(&tmp);
- break;
- }
- default:
- abort();
- }
-
- return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
-}
-
-static void configure_rtc_base_datetime(const char *startdate)
-{
- time_t rtc_start_datetime;
- struct tm tm;
-
- if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
- &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
- /* OK */
- } else if (sscanf(startdate, "%d-%d-%d",
- &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
- tm.tm_hour = 0;
- tm.tm_min = 0;
- tm.tm_sec = 0;
- } else {
- goto date_fail;
- }
- tm.tm_year -= 1900;
- tm.tm_mon--;
- rtc_start_datetime = mktimegm(&tm);
- if (rtc_start_datetime == -1) {
- date_fail:
- error_report("invalid datetime format");
- error_printf("valid formats: "
- "'2006-06-17T16:01:21' or '2006-06-17'\n");
- exit(1);
- }
- rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
- rtc_ref_start_datetime = rtc_start_datetime;
-}
-
-static void configure_rtc(QemuOpts *opts)
-{
- const char *value;
-
- /* Set defaults */
- rtc_clock = QEMU_CLOCK_HOST;
- rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
- rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
-
- value = qemu_opt_get(opts, "base");
- if (value) {
- if (!strcmp(value, "utc")) {
- rtc_base_type = RTC_BASE_UTC;
- } else if (!strcmp(value, "localtime")) {
- Error *blocker = NULL;
- rtc_base_type = RTC_BASE_LOCALTIME;
- error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
- "-rtc base=localtime");
- replay_add_blocker(blocker);
- } else {
- rtc_base_type = RTC_BASE_DATETIME;
- configure_rtc_base_datetime(value);
- }
- }
- value = qemu_opt_get(opts, "clock");
- if (value) {
- if (!strcmp(value, "host")) {
- rtc_clock = QEMU_CLOCK_HOST;
- } else if (!strcmp(value, "rt")) {
- rtc_clock = QEMU_CLOCK_REALTIME;
- } else if (!strcmp(value, "vm")) {
- rtc_clock = QEMU_CLOCK_VIRTUAL;
- } else {
- error_report("invalid option value '%s'", value);
- exit(1);
- }
- }
- value = qemu_opt_get(opts, "driftfix");
- if (value) {
- if (!strcmp(value, "slew")) {
- object_register_sugar_prop("mc146818rtc",
- "lost_tick_policy",
- "slew");
- } else if (!strcmp(value, "none")) {
- /* discard is default */
- } else {
- error_report("invalid option value '%s'", value);
- exit(1);
- }
- }
-}
-
static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
{
const char *proc_name;
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-29 00:25:32 +0000